Casio K43 Instruction Manual

							LK43/44/45-ES-1
USER’S GUIDE
GU ÍA DEL USUARIO
ES 
						

							640A-E-002A
GUIDELINES LAID DOWN BY FCC RULES FOR USE OF THE UNIT IN THE U.S.A. (no\
t applicable to other areas).
NOTICE
This equipment has been tested and found to comply with the limits for a\
 Class B digital device, pursuant to Part 15 
of the FCC Rules. These limits are designed to provide reasonable protection against harmf\
ul interference in a
residential installation. This equipment generates, uses and can radiate radio frequency energy an\
d, if not installed 
and used in accordance with the instructions, may cause harmful interfer\
ence to radio communications. However, 
there is no guarantee that interference will not occur in a particular i\
nstallation. If this equipment does cause harmful
interference to radio or television reception, which can be determined b\
y turning the equipment off and on, the user 
is encouraged to try to correct the interference by one or more of the f\
ollowing measures: 
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver. 
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. 
• Consult the dealer or an experienced radio/TV technician for help.
FCC WARNING
Changes or modifications not expressly approved by the party responsible\
 for compliance could void the user’s 
authority to operate the equipment.
Important!
Please note the following important information before using this product.• Before using the optional AD-5 Adaptor to power the unit, be sure to check the AC Adaptorfor any damage first. Carefully check the power cord for breakage, cuts, exposed wire and 
other serious damage. Never let children use an AC adaptor that is seriously damaged.
• Never attempt to recharge batteries.
• Do not use rechargeable batteries.
• Never mix old batteries with new ones.
• Use recommended batteries or equivalent types.
• Always make sure that positive (+) and negative (–) poles are facing correctly as indicated near the battery compartment.
• Replace batteries as soon as possible after any sign they are getting weak.
• Do not short-circuit the battery terminals.
• The product is not intended for children under 3 years.
• Use only CASIO AD-5 adaptor.
• The AC adaptor is not a toy.
• Be sure to disconnect the AC adaptor before cleaning the product.
CASIO ELECTRONICS CO., LTD. 
Unit 6, 1000
North Circular Road
London NW2 7JD, U.K.
This mark is valid in the EU countries only.
Please keep all information for future reference. 
						

							E-1
Safety Precautions
Congratulations on your selection of the 
CASIO electronic musical instrument. 
•Before using the instrument, be sure to
carefully read through the instructions 
contained in this manual.
• Please keep all information for future 
reference.
Symbols
Various symbols are used in this user ’s guide
and on the product itself to ensure that the
product is used safely and correctly, and to
prevent injury to the user and other persons 
as well as damage to property. Those 
symbols along with their meanings are
shown below.
 DANGER
This symbol indicates information that, if 
ignored or applied incorrectly, creates the 
danger of death or serious personal injury.
 WARNING
This indication stipulates matters that have 
the risk of causing death or serious injury 
if the product is operated incorrectly while 
ignoring this indication.
 CAUTION
This indication stipulates matters that have 
the risk of causing injury as well as matters 
for which there is the likelihood of
occurrence of physical damage only if the 
product is operated incorrectly while 
ignoring this indication.
Symbol Examples
This triangle symbol () means
that the user should be careful. 
(The example at left indicates
electrical shock caution.) 
This circle with a line through it 
(
) means that the indicated
action must not be performed. 
Indications within or nearby this
symbol are specifically 
prohibited. (The example at left 
indicates that disassembly is
prohibited.)
The black dot (
) means that the
indicated action must be 
performed. Indications within 
this symbol are actions that are
specifically instructed to be 
performed. ( The example at left
indicates that the power plug must 
be unplugged from the electrical 
socket.)
640A-E-003A 
						

							E-2640A-E-004C

Misuse of the AC adaptor ’s
electric cord can damage or break 
it, creating the risk of fire and 
electric shock.  Always make sure
you observe the following 
precautions. 
• Never place heavy objects on
the cord or subject it to heat.
• Never try to modify the cord
or subject it to excessive
bending.
• Never twist or stretch the cord.
• Should the electric cord or plug
become damaged, contact your 
original retailer or authorized 
CASIO Service Provider.

 Never touch the AC adaptor 
while your hands are wet. 
Doing so creates the risk of
electric shock. 
• Use the AC adaptor where it 
will not be splashed with water.
Water creates the risk of fire 
and electric shock.
• Do not place a vase or any other 
container filled with liquid on 
top of the AC adaptor. Water 
creates the risk of fire and
electric shock.
Batteries
Misuse of batteries can cause them 
to leak, resulting in damage to 
nearby objects, or to explode,
creating the risk of fire and personal 
injury. Always make sure you 
observe the following precautions.
• Never try to take batteries apart 
or allow them to become shorted.
• Never expose batteries to heat or 
dispose of them by incineration.
• Never mix old batteries with new
ones.
• Never mix batteries of different 
types.
• Do not charge the batteries.
• Make sure the positive (+) and
negative ( –) ends of the batteries
are facing correctly. DANGER
Alkaline Batteries 
Perform the following steps
immediately if fluid leaking from 
alkaline batteries ever gets into your 
eyes.
1. Do not rub your eyes! Rinse them
with water.
2. Contact your physician immediately.
Leaving alkaline battery fluid in
your eyes can lead to loss of sight.
 WARNING
Smoke, Strange Odor, Overheating 
Continued use of the product while
it is emitting smoke, a strange odor, 
or heat creates the risk of fire and 
electric shock. Take the following
steps immediately. 
1. Turn off power. 
2. If you are using the AC adaptor for power, unplug it from the wall 
outlet.
3. Contact your original retailer or an authorized CASIO Service
Provider.
AC Adaptor

 Misuse of the AC adaptor creates
the risk of fire and electric shock. 
Always make sure you observe 
the following precautions. • Be sure to use only the AC 
adaptor that is specified for this 
product.
• Use only a power source whose 
voltage is within the rating 
marked on the AC adaptor.
• Do not overload electrical 
outlets and extension cords. 
						

							E-3
Plastic Bags 
Never place the plastic bag the 
product comes in over your head or 
in your mouth. Doing so creates the
risk of suffocation. 
Particular care concerning this 
precaution is required where small
children are present. 
Keep off of the product and stand.*
Climbing onto the product or stand 
can cause it to tip over or become 
damaged. Particular care
concerning this precaution is 
required where small children are 
present. 
Location 
Avoid locating the product on an
unstable stand, on an uneven 
surface, or any other unstable 
location. An unstable location can
cause the product to fall over, 
creating the risk of personal injury.Do not incinerate the product. 
Never throw the product into fire. 
Doing so can cause it to explode, 
creating the risk of fire and personal
injury. 
Water and Foreign Matter 
Water, other liquids, and foreign 
matter (such as pieces of metal) 
getting into the product create the
risk of fire and electric shock. Take 
the following steps immediately. 
1. Turn off power.
2. If you are using the AC adaptor
for power, unplug it from the wall
outlet.
3. Contact your original retailer or
an authorized CASIO Service
Provider.
Disassembly and Modification
Never try to take this product apart
or modify it in any way. Doing so 
creates the risk of electric shock, 
burn injury, or other personal injury.
Leave all internal inspection, 
adjustment, and maintenance up to 
your original retailer or authorized
CASIO Service Provider. 
Dropping and Impact 
Continued use of this product after 
it has been damaged by dropping 
or subjecting it to strong impact
creates the risk of fire and electric 
shock. Take the following steps 
immediately.
1. Turn off power. 
2. If you are using the AC adaptor for power, unplug it from the wall 
outlet.
3. Contact your original retailer or an authorized CASIO Service
Provider.
640A-E-005A 
						

							E-4640A-E-006C
Cleaning 
Before cleaning the product, always 
unplug the AC adaptor from the 
wall outlet first. Leaving the AC
adaptor plugged in creates the risk 
of damage to the AC adaptor, fire, 
and electric shock. 
Batteries 
Misuse of batteries can cause them
to leak resulting in damage to 
nearby objects, or to explode, 
creating the risk of fire and personal
injury. Always make sure you 
observe the following precautions. 
•Use only batteries that are
specified for use with this 
product.
• Remove batteries from the 
product if you do not plan to use 
it for a long time.
Connectors
Connect only the specified devices 
and equipment to the product ’s
connectors.  Connection of a non- 
specified device or equipment 
creates the risk of fire and electric
shock. 
Location 
Avoid the following locations for 
this product. Such locations create 
the risk of fire and electric shock.
• Areas subject to high humidity 
or large amounts of dust.
• In food preparation areas or other 
areas subject to oil smoke.
• Near air conditioning equipment,
on a heated carpet, in areas
exposed to direct sunlight, inside 
of a vehicle parked in the sun, or 
any other area that subjects the
product to high temperatures. CAUTION
AC Adaptor 

 Misuse of the AC adaptor creates
the risk of fire and electric shock. 
Always make sure you observe 
the following precautions. • Do not locate the electric cord 
near a stove or other sources of 
heat.
• Never pull on the cord when 
unplugging from the electrical 
outlet.  Always grasp the AC
adaptor when unplugging.

 Misuse of the AC adaptor creates
the risk of fire and electric shock.
Always make sure you observe 
the following precautions. • Insert the AC adaptor into the 
wall outlet as far as it will go.
• Unplug the AC adaptor from
the wall outlet during
lightening storms or before 
leaving on a trip or other long- 
term absence.
• At least once a year, unplug 
the AC adaptor from the wall 
outlet and wipe away any dust
that is built up in the area 
around the prongs of the plug.
Relocating the Product
Before relocating the product, 
always unplug the AC adaptor from
the wall outlet and disconnect all 
other cables and connecting cords. 
Leaving cords connected creates the
risk of damage to the cords, fire, 
and electric shock. 
						

							E-5
Heavy Objects 
Never place heavy object on top of 
the product. 
Doing so can make the product top
heavy, causing the product to tip 
over or the object to fall from it, 
creating the risk of personal injury. 
Correct Stand* Assembly
An incorrectly assembled stand can 
tip over, causing the product to fall 
and creating the risk of personal 
injury.
Make sure you assemble the stand 
correctly, following the assembly 
instructions that come with it. Make
sure you mount the product on the 
stand correctly. 
* Stand is available as an option.
IMPORTANT!
When using batteries, be sure to replace them or shift to one 
of the alternate power sources whenever you notice any of
the following symptoms. 
• Dim power indicator 
• Instrument does not turn on 
• Display that is flickering, dim, or difficult to read
• Abnormally low speaker/headphone volume 
• Distortion of sound output 
• Occasional interruption of sound when playing at high
volume
• Sudden power failure when playing at high volume
• Flickering or dimming of the display when playing at high volume
• Continued sound output even after you release a key
• A tone that is totally different from the one that is selected
• Abnormal rhythm pattern and Song Bank play 
• Loss of power, sound distortion, or low volume when playing from a connected computer or MIDI device
 
• Abnormally low microphone volume
• Distortion of microphone input 
• Dim power supply indicator when a microphone is used
Display Screen 
• Never push on the display
screen ’s LCD panel or subject it
to strong impact. Doing so can
cause the LCD panel ’s glass to
crack, creating the risk of personal
injury.
• Should the LCD panel ever crack
or break, never touch the liquid
inside of the panel. LCD panel
liquid can cause skin irritation.
• Should LCD panel liquid ever get
inside your mouth, immediately
wash out your mouth with water 
and contact your physician.
• Should LCD panel liquid ever get
into your eyes or onto your skin,
rinse with clear water for at least 
15 minutes, and then contact a
physician.
Sound Volume
Do not listen to music at very loud 
volumes for long periods. Particular 
care concerning this precaution is
required when using headphones. 
High volume settings can damage 
your hearing. 
Health Precaution 
In extremely rare cases, exposure to
strong sudden light or flashing light 
can cause momentary muscle 
spasms, loss of consciousness, or
other physical problems with some 
individuals. 
• If you suspect that you might be
susceptible to any condition such 
as this, be sure to consult with 
your physician before using this
product.
• Use this product in an area that is
well illuminated.
•
Should you ever feel any
symptoms similar to those
described above when using this
product, stop using it immediately 
and contact your physician.
640A-E-007C 
						

							E-6640A-E-008C
❐On-screen fingering and timing indicators
•Easy-to-understand on-screen indicators help to simplify keyboard play, even for novices.
❐100 amazingly realistic tones
❐Enhanced auto-accompaniment function for greater versatility
•50 built in auto-accompaniment patterns.
❐100 Built-in Song Bank tunes
•A total of 100 built-in Song Bank tunes comes built in for playback enjo\
yment or play-along practice.
❐3-Step Lesson System
•Develop your musical skills by following the keys as they light. First y\
ou become familiar with the 
timing of the notes by watching the keys light as you playback one of th\
e 100 built-in Song Bank
tunes. Next, practice playing along at a pace that ’s comfortable for you. Finally, try playing along at the
normal tempo for the Song Bank tune.
• A simulated human voice is used during Step 1 or Step 2 play to call out\
 the fingers you should use to
play the required notes (Voice Fingering). The timing of notes is also indicated on the display screen.
❐Auto Accompaniment
•Simply specify a chord and the keyboard automatically produces the match\
ing rhythm, bass, and
chord patterns. One-touch fill-ins make accompaniments sound interesting\
 and natural.
❐Transpose Function
•An easy operation instantly changes the key of the keyboard.
❐MIDI compatibility
•Connecting to another MIDI device lets you sound notes on both this keyb\
oard and the connected
device by playing on this keyboard.
❐Microphone jack ( LK-45/46 Only )
•Connect a commercially available microphone and you can sing along with \
Song Bank tunes.
Main Features 
						

							E-7640A-E-009C
Contents
Safety Precautions................E-1
Main Features ........................E-6
Contents ................................. E-7
General Guide ........................E-8
About the Display ..................................... E-10 
Accessories and Options ......................... E-10
Quick Reference ..................E-11
Power Supply .......................E-12
Using batteries ......................................... E-12
Using the AC Adaptor .............................. E-12
Auto Power Off ......................................... E-13
Power On Alert ......................................... E-13
Connections......................... E-14
Phones/Output Jack ................................ E-14
Sustain Jack ............................................ E-14
Using the Microphone Jack 
(LK-45/46 Only) ....................................... E-14
Basic Operations .................E-15
To switch power on and off ...................... E-15 
To change tones ...................................... E-15
Other Useful Functions ............................ E-17
Playing the demo tunes ........................... E-18
Playing rhythms ....................................... E-18 Using auto-accompaniment ..................... E-19 
Improvising with the preset patterns ........ E-21
3-Step Lesson System
........E-22
Using 3-Step Lesson System .................. E-22 
Voice Fingering Guide ............................. E-24
Timing Indicator ....................................... E-25 
Step 1: Master the timing ......................... E-26 
Step 2: Master the melody ....................... E-27
Step 3: Play at normal speed .................. E-27
To practice the left hand part ................... E-28
MIDI....................................... E-29
What is MIDI? .......................................... E-29
General MIDI ........................................... E-29
Technical Reference ............E-32
Troubleshooting ....................................... E-32
Specifications ........................................... E-34
Care of  Your Keyboard .......E-35
Appendix ............................... A-1
GM Tone Map List ...................................... A-1
Rhythm List ................................................ A-2
Fingered Chord Charts .............................. A-3
MIDI Implementation Chart 
						

							E-8
General Guide
640A-E-010C
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